A switch control device for control of drives of power windows and power side mirrors of a vehicle, which has a simple and easy-to-operate switch panel provided with a multifunction switch having a square operating surface to be pushed down as a whole and tilted in any of multiple directions and having four switch contacts disposed one at each of four corners of the operating surface, a window opening/closing switch and a left/right side mirror selecting switch, wherein a control mode of the device is automatically changed to a power window control mode when the multifunction switch is not operated for more than a specified period of time, and it is changed from the power window control mode to a power side-mirror control mode when operating the power side mirror selecting switch.